Answer:
or <em>0.35</em>
Step-by-step explanation:

Now simplify.
= 
(a) 6 hours and 45 minutes
(b) 2 hours and 35 minutes
(c) 2 hours and 40 minutes
(d) 3 hours and 20 minutes
A. All remaining numbers are in Q because it goes "even" left, and "odd" right.
B. Probability of it not being in Q is 1/2